MacDon M1 Series Unloading And Assembly Instructions page 214

21. Disengage the safety props on both lift cylinders as follows:
a. Turn lever (A) away from the header to raise the safety
prop until the lever locks into the vertical position.
b. Repeat the previous step for the opposite cylinder.
NOTE:
If the safety prop will NOT disengage, raise the header to
release the prop.
22. Start the engine and press HEADER DOWN switch (A) on
the GSL to fully lower the header.
23. Shut down the engine, and remove the key from
the ignition.
24. If you are not prompted by the HPT display to restore the
header float, restore the header float manually by doing
the following:
a. Press rotary scroll knob (A) on the Harvest Performance
Tracker (HPT) to highlight the QuickMenu options.
b. Rotate scroll knob (A) to highlight Header Float
icon (B), and press the scroll knob to select it.
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ATTACHING A HEADER TO THE WINDROWER
202
Figure 5.187: Safety Prop Lever
Figure 5.188: GSL
Figure 5.189: HPT Display
Revision A